Specifications:

Model Number: TP-04C
Model Name: Syrinx
Overall Length: 3.4 " (87mm)
Diameter: 0.43" (11mm)
Body Material: 6AL4V Titanium
Mechanism: Cap
Key Ring: Stainless Steel
Ink Color: Black
Extra Refill: 2 pieces
Ballpoint Refill Length: 2.75" (70mm)
Weight: 16g / 0.56oz